YEAR MONTH MEAN STDEV COUNT 2000 1 nan nan 0 2000 2 1.60107e+01 7.60411e-01 118 2000 3 1.63802e+01 1.40330e+00 851 2000 4 2.14023e+01 1.87496e+00 277 2000 5 2.66975e+01 1.48823e+00 528 2000 6 2.82124e+01 7.81784e-01 306 2000 7 3.10601e+01 1.55082e+00 402 2000 8 3.26979e+01 1.21605e+00 504 2000 9 2.83387e+01 9.13321e-01 580 2000 10 2.57105e+01 1.38680e+00 782 2000 11 1.97267e+01 1.02638e+00 542 2000 12 1.68835e+01 1.19729e+00 406 2001 1 1.50629e+01 8.35878e-01 1114 2001 2 1.53474e+01 1.31321e+00 1150 2001 3 1.96663e+01 1.15188e+00 1131 2001 4 2.32797e+01 8.52843e-01 838 2001 5 2.51305e+01 1.32171e+00 686 2001 6 2.74586e+01 7.79736e-01 128 2001 7 3.10112e+01 1.71047e+00 677 2001 8 3.24113e+01 1.20424e+00 1411 2001 9 3.01387e+01 1.09928e+00 1343 2001 10 2.74800e+01 7.88026e-01 1242 2001 11 2.30408e+01 1.41054e+00 472 2001 12 1.71908e+01 1.33252e+00 408 2002 1 1.44382e+01 1.02380e+00 692 2002 2 1.56979e+01 1.14510e+00 777 2002 3 1.90424e+01 1.12961e+00 604 2002 4 2.10589e+01 2.14338e+00 662 2002 5 2.66985e+01 1.53702e+00 1381 2002 6 2.89497e+01 1.25861e+00 1042 2002 7 3.14158e+01 1.03100e+00 2348 2002 8 3.02679e+01 1.07766e+00 1751 2002 9 2.87201e+01 1.02683e+00 2457 2002 10 2.77700e+01 1.45740e+00 2527 2002 11 2.14169e+01 2.33704e+00 1421 2002 12 1.64666e+01 2.38266e+00 792 2003 1 1.49894e+01 8.64629e-01 1606 2003 2 1.56925e+01 8.14080e-01 1789 2003 3 1.65027e+01 1.75525e+00 1258 2003 4 2.18048e+01 1.68092e+00 1097 2003 5 2.58899e+01 1.91760e+00 1511 2003 6 2.91318e+01 1.56846e+00 1699 2003 7 2.98512e+01 1.21549e+00 1743 2003 8 3.19531e+01 1.14594e+00 2693 2003 9 2.83574e+01 1.25927e+00 2080 2003 10 2.74812e+01 1.34478e+00 2629 2003 11 2.06848e+01 2.18225e+00 763 2003 12 1.65290e+01 1.15840e+00 1000 2004 1 1.57258e+01 8.30212e-01 1869 2004 2 1.60764e+01 6.43628e-01 1635 2004 3 1.86538e+01 1.12121e+00 1736 2004 4 2.06350e+01 1.67327e+00 1457 2004 5 2.49876e+01 1.67874e+00 2500 2004 6 2.86689e+01 1.11110e+00 1942 2004 7 3.11646e+01 1.32257e+00 2963 2004 8 3.07036e+01 1.13007e+00 2371 2004 9 2.94124e+01 1.78186e+00 2527 2004 10 2.76681e+01 1.97113e+00 2696 2004 11 2.48258e+01 1.25852e+00 1030 2004 12 1.38920e+01 7.04723e-01 145 2005 1 1.33693e+01 6.61429e-01 1639 2005 2 1.43978e+01 1.23088e+00 1267 2005 3 1.83618e+01 9.49799e-01 1857 2005 4 2.18093e+01 1.90971e+00 1820 2005 5 2.57278e+01 2.27271e+00 1841 2005 6 2.83435e+01 1.03371e+00 1666 2005 7 3.05183e+01 1.77070e+00 1684 2005 8 3.14110e+01 7.87764e-01 2860 2005 9 2.87684e+01 1.80452e+00 2038 2005 10 2.67399e+01 1.90207e+00 2249 2005 11 2.00945e+01 1.97956e+00 1068 2005 12 1.87305e+01 6.91589e-01 1611 2006 1 1.44953e+01 8.24835e-01 976 2006 2 1.52325e+01 1.37282e+00 1304 2006 3 1.82352e+01 1.32397e+00 2014 2006 4 2.24403e+01 1.63746e+00 1638 2006 5 2.66403e+01 1.43752e+00 2305 2006 6 2.93189e+01 8.03425e-01 1501 2006 7 2.99262e+01 1.25575e+00 1529 2006 8 3.13392e+01 1.22607e+00 2667 2006 9 2.96398e+01 1.54651e+00 3055 2006 10 2.76145e+01 1.24661e+00 2119 2006 11 2.31323e+01 4.21434e+00 1135 2006 12 1.56769e+01 1.18008e+00 232 2007 1 1.24918e+01 9.88071e-01 1648 2007 2 1.53239e+01 1.56256e+00 2281 2007 3 1.79909e+01 1.33890e+00 1845 2007 4 2.05529e+01 1.54505e+00 1205 2007 5 2.71172e+01 1.84808e+00 1473 2007 6 2.86643e+01 1.03016e+00 1450 2007 7 3.02049e+01 1.31892e+00 2721 2007 8 3.15439e+01 1.03078e+00 2723 2007 9 2.98874e+01 1.42450e+00 2843 2007 10 2.77169e+01 1.12374e+00 3224 2007 11 2.16895e+01 1.52672e+00 857 2007 12 1.62808e+01 1.72937e+00 798 2008 1 1.17248e+01 1.05991e+00 930 2008 2 1.30091e+01 1.77003e+00 1240 2008 3 1.74044e+01 1.56310e+00 969 2008 4 2.20348e+01 1.99240e+00 1727 2008 5 2.47414e+01 2.16574e+00 1558 2008 6 2.81653e+01 1.55294e+00 750 2008 7 3.05095e+01 1.39046e+00 1976 2008 8 3.15747e+01 1.53753e+00 3200 2008 9 3.02472e+01 2.17408e+00 2273 2008 10 2.61377e+01 1.46680e+00 1853 2008 11 2.07102e+01 8.73181e-01 883 2008 12 1.61223e+01 1.57234e+00 916 2009 1 1.22467e+01 1.07669e+00 912 2009 2 1.47035e+01 7.19937e-01 862 2009 3 1.73096e+01 1.39978e+00 1720 2009 4 2.00626e+01 1.72220e+00 1574 2009 5 2.62939e+01 2.07243e+00 1277 2009 6 2.84987e+01 1.91796e+00 1429 2009 7 2.93936e+01 1.01691e+00 1204 2009 8 3.02796e+01 1.26723e+00 1809 2009 9 2.89547e+01 1.01901e+00 2182 2009 10 2.60081e+01 7.63061e-01 1365 2009 11 2.27921e+01 1.91968e+00 1084 2009 12 1.74892e+01 9.42989e-01 1334 2010 1 1.69083e+01 8.91160e-01 1539 2010 2 1.60149e+01 1.50006e+00 1033 2010 3 1.92392e+01 1.55419e+00 1261 2010 4 2.23671e+01 2.14864e+00 1351 2010 5 2.56170e+01 1.59285e+00 1689 2010 6 2.91259e+01 1.19977e+00 1395 2010 7 3.09843e+01 1.27153e+00 1626 2010 8 3.32580e+01 1.31507e+00 3036 2010 9 3.04949e+01 1.41282e+00 2619 2010 10 2.73437e+01 1.77815e+00 2390 2010 11 2.21878e+01 1.91018e+00 1474 2010 12 1.71247e+01 1.76850e+00 893 2011 1 1.42858e+01 8.44015e-01 1277 2011 2 1.44492e+01 1.00450e+00 1747 2011 3 1.76624e+01 1.53809e+00 1952 2011 4 2.06687e+01 1.80379e+00 764 2011 5 2.64228e+01 2.59720e+00 1700 2011 6 2.85406e+01 1.39895e+00 1440 2011 7 3.09892e+01 1.61920e+00 2083 2011 8 3.14626e+01 1.24203e+00 2897 2011 9 2.99463e+01 1.15227e+00 2063 2011 10 2.63880e+01 1.89527e+00 1904 2011 11 1.99882e+01 1.62409e+00 393 2011 12 1.41983e+01 7.77256e-01 880 2012 1 1.39004e+01 7.43799e-01 1431 2012 2 1.40484e+01 8.57024e-01 967 2012 3 1.51949e+01 1.58868e+00 1465 2012 4 2.08152e+01 1.27396e+00 1625 2012 5 2.55636e+01 1.52829e+00 1250 2012 6 2.88437e+01 1.67695e+00 1689 2012 7 3.18201e+01 1.77828e+00 2495 2012 8 3.13139e+01 1.16215e+00 2556 2012 9 2.93458e+01 1.28280e+00 2705 2012 10 2.86170e+01 1.47641e+00 2473 2012 11 2.37159e+01 2.48935e+00 1236 2012 12 1.68834e+01 1.02812e+00 1079 2013 1 1.47658e+01 1.14955e+00 899 2013 2 1.68430e+01 1.08504e+00 2228 2013 3 1.81371e+01 1.21616e+00 1305 2013 4 2.18420e+01 1.79975e+00 1948 2013 5 2.52753e+01 1.76941e+00 2642 2013 6 2.83089e+01 1.39632e+00 1120 2013 7 2.99922e+01 9.51796e-01 1107 2013 8 3.15305e+01 1.08301e+00 3565 2013 9 3.03023e+01 1.14864e+00 2573 2013 10 2.52190e+01 2.11346e+00 1650 2013 11 2.15059e+01 9.93606e-01 2177 2013 12 1.54791e+01 2.87033e+00 591 2014 1 1.41686e+01 1.13510e+00 1875 2014 2 1.53629e+01 1.38337e+00 2127 2014 3 1.98065e+01 1.52838e+00 2009 2014 4 2.19014e+01 2.34993e+00 1306 2014 5 2.74354e+01 1.52093e+00 2037 2014 6 2.89586e+01 8.15957e-01 1944 2014 7 3.05033e+01 9.73734e-01 2627 2014 8 3.15833e+01 1.14321e+00 2838 2014 9 3.06763e+01 1.73242e+00 2958 2014 10 2.75694e+01 2.08103e+00 2605 2014 11 2.12267e+01 1.90002e+00 1661 2014 12 1.77406e+01 9.72358e-01 1775 2015 1 1.49098e+01 1.51960e+00 1481 2015 2 1.60441e+01 1.01706e+00 1153 2015 3 1.83991e+01 1.37128e+00 1845 2015 4 2.16514e+01 1.86936e+00 1308 2015 5 2.64858e+01 1.88147e+00 1640 2015 6 2.85805e+01 1.41384e+00 1796 2015 7 3.17401e+01 1.71756e+00 2158 2015 8 3.27441e+01 1.08167e+00 4071 2015 9 3.09760e+01 1.24982e+00 3707 2015 10 2.85410e+01 1.26442e+00 2262 2015 11 2.13391e+01 2.03764e+00 1562 2015 12 1.53497e+01 1.95386e+00 1028 2016 1 1.47783e+01 7.35984e-01 2089 2016 2 1.56209e+01 1.65906e+00 2191 2016 3 1.93816e+01 1.44194e+00 1787 2016 4 2.28279e+01 2.31145e+00 2515 2016 5 2.68274e+01 1.51286e+00 2224 2016 6 2.92019e+01 1.46550e+00 2649 2016 7 3.19237e+01 1.48409e+00 2494 2016 8 3.27035e+01 1.09819e+00 3474 2016 9 3.04127e+01 1.79791e+00 2390 2016 10 2.66795e+01 1.00012e+00 2961 2016 11 2.19356e+01 2.87780e+00 618 2016 12 1.56352e+01 1.60902e+00 710 2017 1 1.39123e+01 6.72201e-01 1240 2017 2 1.38796e+01 1.14309e+00 1647 2017 3 1.81505e+01 1.49678e+00 1666 2017 4 2.17860e+01 1.83305e+00 1037 2017 5 2.69019e+01 1.73278e+00 2096 2017 6 2.87085e+01 1.82986e+00 1450 2017 7 3.22703e+01 1.12526e+00 2837 2017 8 3.34689e+01 9.76719e-01 3501 2017 9 3.16184e+01 1.17136e+00 3546 2017 10 2.69251e+01 1.68770e+00 2868 2017 11 2.35221e+01 2.53922e+00 1569 2017 12 1.60012e+01 1.11710e+00 1084 2018 1 1.57931e+01 8.68468e-01 2528 2018 2 1.65147e+01 1.59844e+00 1319 2018 3 2.06258e+01 1.46084e+00 2430 2018 4 2.28842e+01 1.78883e+00 1698 2018 5 2.72315e+01 1.91429e+00 2498 2018 6 2.97939e+01 1.46355e+00 1403 2018 7 3.05635e+01 1.20667e+00 1957 2018 8 3.04612e+01 9.10653e-01 2570 2018 9 3.16979e+01 9.04225e-01 3989 2018 10 2.92469e+01 1.55949e+00 2962 2018 11 2.12461e+01 1.33279e+00 1004 2018 12 1.87533e+01 1.40001e+00 2332 2019 1 1.48632e+01 2.12565e+00 823 2019 2 1.63368e+01 9.32685e-01 1897 2019 3 1.82157e+01 1.08681e+00 2683 2019 4 2.24428e+01 1.60211e+00 1964 2019 5 2.77015e+01 2.65125e+00 2888 2019 6 3.16275e+01 1.19538e+00 3825 2019 7 3.05767e+01 9.90418e-01 2052 2019 8 3.21133e+01 1.26809e+00 4984 2019 9 3.13694e+01 1.04033e+00 5147 2019 10 3.03929e+01 1.69948e+00 4191 2019 11 2.27589e+01 1.73937e+00 2229 2019 12 1.80326e+01 1.32485e+00 3248 2020 1 1.56783e+01 9.02432e-01 2905 2020 2 1.59968e+01 1.10540e+00 2629 2020 3 1.94051e+01 9.87516e-01 2854 2020 4 2.35545e+01 1.15946e+00 2309 2020 5 2.76317e+01 1.80843e+00 3250 2020 6 2.97924e+01 1.12539e+00 5302 2020 7 3.36963e+01 1.48677e+00 5052 2020 8 3.29871e+01 1.42172e+00 3520 2020 9 3.24036e+01 1.24070e+00 4862 2020 10 2.85642e+01 2.28095e+00 3891 2020 11 2.49742e+01 1.96188e+00 1681 2020 12 1.75956e+01 1.33144e+00 2475 2021 1 1.55486e+01 8.64652e-01 3821 2021 2 1.71945e+01 1.05019e+00 3416 2021 3 1.88002e+01 1.04816e+00 2723 2021 4 2.24969e+01 2.33940e+00 2329 2021 5 2.88163e+01 2.06859e+00 3978 2021 6 2.92154e+01 1.48396e+00 3144 2021 7 3.32141e+01 1.37856e+00 5163 2021 8 3.33125e+01 1.11206e+00 5071 2021 9 3.05312e+01 2.09303e+00 3836 2021 10 2.74024e+01 1.48265e+00 4025 2021 11 2.31044e+01 2.55438e+00 2344 2021 12 1.79669e+01 1.48252e+00 940 2022 1 1.48877e+01 1.29817e+00 1761 2022 2 1.61580e+01 1.39045e+00 3974 2022 3 -1.49722e+02 3.76993e+02 1944 2022 4 2.14657e+01 1.15561e+00 865 2022 5 2.58982e+01 1.36190e+00 2220 2022 6 3.02637e+01 1.05685e+00 3860 2022 7 3.10362e+01 1.40514e+00 2872 2022 8 3.33321e+01 1.43529e+00 4053 2022 9 3.22017e+01 1.63775e+00 3788 2022 10 2.87300e+01 7.90486e-01 3592 2022 11 2.31581e+01 1.64599e+00 1218 2022 12 1.90379e+01 1.60860e+00 1887 2023 1 1.48883e+01 7.12660e-01 2086 2023 2 1.54543e+01 1.02242e+00 1450 2023 3 2.00280e+01 1.66608e+00 3584 2023 4 2.35267e+01 2.22719e+00 3477 2023 5 2.72658e+01 1.86716e+00 2827 2023 6 2.95500e+01 9.50946e-01 4271 2023 7 3.22613e+01 1.49602e+00 4963 2023 8 3.36222e+01 1.05066e+00 4785 2023 9 3.17847e+01 1.31989e+00 4417 2023 10 2.88604e+01 1.47514e+00 3169 2023 11 2.42549e+01 2.14153e+00 1936 2023 12 1.86296e+01 7.23295e-01 2819 2024 1 1.72100e+01 7.32310e-01 2695 2024 2 1.77388e+01 1.09645e+00 3715 2024 3 1.91209e+01 1.38241e+00 2604 2024 4 2.31802e+01 1.05660e+00 637